CES Wrong Answer Summary 6dc344dc 6710 4b23 Ac0f 2b61c6d0766

Wrong answer summary

Question asked (215):

A Cargo Ship Equipment Certificate will be issued for: Selected answer: Don't know Correct answer: 5 years with control every 12 months

Question asked (369): A large tanker is proceeding slowly up a narrow channel, using its own engines and assisted by the use of one tug. Where should the tug be connected to assist the ship in maintaining its course in the centre of the channel?

Selected answer: Don't know Correct answer: Made fast on a line through the centre lead astern.

Question asked (391): A vessel berths at two different jetties under the influence of a 1 knot beam current. At the first jetty the ship has an underkeel clearance of 5 times the draught and at the second the underkeel clearance is only 0.5 times the draught. If the current exerted a force of 50 tonnes on the ship at the first jetty, what would be the approximate force exerted at the second if the draught is the same?

Selected answer: Don't know Correct answer: 150 tonnes

Question asked (429): What is the situation of this vessel?

Selected answer: Don't know Correct answer: This vessel is not under command, but is making way through the water. Question asked (681):

What can be used to reduce the effect of the state of sea-waves? Selected answer: Don't know

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Wrong answer summary Correct answer: Vegetable / Fish Oil Question asked (942): When handing over the con of a vessel to a pilot, should the Master insist in discussing the passage plan with the pilot while he is there to use his local knowledge and advice on the navigation of the ship? Selected answer: Don't know Correct answer: A passage plan should be discussed between the Master and pilot, when under pilotage in the same way as discussed with the bridge team when deep sea Question asked (1033): When loading oil in oil tankers, why are you only allowed to load maximum 98% of the tank capacity? Selected answer: Don't know Correct answer: Due to temperature expansion. Question asked (1179): Who is responsible for maintaining the vessel's structural strength? Selected answer: Don't know Correct answer: The master.

Question asked (1897): The portable walkie talkies required to be carried by GMDSS regulations should have which channels as a minimum? Selected answer: Don't know Correct answer: Channels 6, 13 & 16

Question asked (1903): Which VHF channel should be used for intership navigation safety communications? Selected answer: Don't know Correct answer: Ch.13

Question asked (2029):

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Wrong answer summary A conventional tanker has most of its tanks slack during the discharging of oil cargo, it is not of any great consequence; however, if an OBO has most of its holds slack during discharging (or loading) of oil cargo this will: Selected answer: Don't know Correct answer: Likely cause a sudden or violent list due to the very large free surface in the broad beamed holds?

Question asked (2067): At what calendar interval must lifting appliances on board a vessel be suitably tested by a competent person? Selected answer: Don't know Correct answer: 5 years.

Question asked (2158): At least, how often shall life boats be launched with their assigned operating crew aboard and manoeuvred in the water according to SOLAS? Selected answer: Don't know Correct answer: Every three months.

Question asked (2446): What is the correct setting of the "Anti sea clutter" control on the radar? Selected answer: Don't know Correct answer: A few sea returns remaining on the screen.

Question asked (2454): What is the probable cause of an error in position of the ship obtained from the GPS system? Selected answer: Don't know Correct answer: Incorrect height of the antenna. Question asked (2749): Notification logging procedures .(OPA-90)

Selected answer: Don't know Correct answer: Every report or message must be logged including time and date

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Wrong answer summary Question asked (3190): When a Master takes the leadership in approaching a problem, Must his first action be a decision that will directly solve the problem? Selected answer: Don't know Correct answer: Not necessary, he shall use all available resources. He should resist the temptation to step in and do it all by himself Question asked (3735): For how long is the health certificate valid for a seafarer in foreign trade? Selected answer: Don't know Correct answer: One year.

Question asked (5442): The prescribed test of EPIRB, SART and portable VHF radio set must be entered in: Selected answer: Don't know Correct answer: Ship's radio log

Question asked (5454): The time indication 121310z means in maritime radio communication: Selected answer: Don't know Correct answer: 12th day, 1310 hours UTC

Question asked (5478): By the term “Stand by” the operator of a coast-station means that one should: Selected answer: Don't know Correct answer: Wait until the coast-station calls again Question asked (5517): A message is send by the Inmarset C-set. The land earth station will:

Selected answer: Don't know Correct answer: Only send a positive delivery notification (PDN) to the sender if the sender requested, so in the send menu

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Wrong answer summary Question asked (5518): Via Inmarsat-C a message is sent to an Inmarsat-C mailbox with a positive delivery notification (PDN). The ground station will: Selected answer: Don't know Correct answer: Send a PDN, if the message has arrived in the mailbox Question asked (5548): Regular ‘updating’ of a ships’ position in an Inmarsat-C installation is necessary Selected answer: Don't know Correct answer: To have the correct position in case of accidents

Question asked (5647): A DSC distress alert is received. The message states that communication by radiotelex is preferred. One preferably uses: Selected answer: Don't know Correct answer: FEC mode ARQ mode

Question asked (5730): Wire antenna of 12 metres long is probably: Selected answer: Don't know Correct answer: A MF/HF-antenna

Question asked (5779): The position that is determined by built in GPS-receiver in an Inmarsat-EPIRB has an accuracy of about: Selected answer: Don't know Correct answer: 200 meters

Question asked (5783): A satellite receives the transmissions of the 406 MHz Cospas-Sarsat EPIRB. The transmissions of the EPIRB will be: Selected answer: Don't know Correct answer: Always passed on to a LUT

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Wrong answer summary Question asked (5804): The battery of a SART:

Selected answer: Don't know Correct answer: Must be replaced before the expiry date is exceeded Question asked (5878): While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate. Selected answer: Don't know Correct answer: Radar ranges from two radar destinctive headlands

Question asked (6049): " On area A3 the function "" Transmission and reception of on scene communications"" is mainly based on:" Selected answer: Don't know Correct answer: The use of MF and/or VHF R/T Question asked (6058): Which word will precede a routine message ?

Selected answer: Don't know Correct answer: No specific word will precede a routine message Question asked (10325): *When should a crew member joining a ship for the first time be given some training and instructions in the use of the ship's fire-fighting appliances ? Selected answer: Don't know Correct answer: As soon as possible but not later than 2 weeks after he joins the ship Question asked (20205): *The steps of the embarkation ladder used must be spaced apart by a distance of: Selected answer: Don't know Correct answer: Equally spaced and not less than 300 mm or more than 380 mm

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Wrong answer summary Question asked (20357): Give the meaning of the following symbol Selected answer: Don't know Correct answer: Rocket parachute flares

Question asked (30325): If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed? Selected answer: Don't know Correct answer: 3 metres

Question asked (31308): What do you understand by the term “Risk Assessment”, and how would this be carried out on board? Selected answer: Don't know Correct answer: Identify the hazards, quantify the risks, put control measures in place, monitor the work activity and review Question asked (31314): Which personnel must undergo familiarization training on board Selected answer: Don't know Correct answer: Everyone

Question asked (31373): Which one of the listed requirements regarding service and maintenance of life-saving appliances correspond to present regulations? Selected answer: Don't know Correct answer: Instructions for onboard maintenance of life-saving appliances in accordance with the regulations shall be provided Question asked (31511): During helicopter evacuation of an injured man, what course should the ship steer? Selected answer: Don't know Correct answer: As instructed by the helicopter pilot

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Wrong answer summary Question asked (31525): What is the minimum number of channels required for the portable two-way VHF's for survival craft? Selected answer: Don't know Correct answer: Channels 6, 13 & 16

Question asked (31602): You are witness to a collision between two other ships close to your vessel. What immediate action should you take? Selected answer: Don't know Correct answer: Nothing, just standby and wait to see if any assistance is required.

Question asked (32122): "Part way through a profiling interview with a supplier, the package the individual is carrying arouses your suspicion. What do you do?" Selected answer: Don't know Correct answer: Discreetly inform someone of your suspicions so he or she can get assistance. Question asked (32148): If drugs are discovered onboard your ship….

Selected answer: Don't know Correct answer: Ensure the witness to the discovery signs your incident report. Question asked (32206): A tanker in ballast, having recently left the discharge port is involved in a collision. The two vessels are still interlocked after the collision and a survey of the ships gives all crew members are safe and the damage is focussed to the vicinity of the impact. What should be the greatest concern at this time? Selected answer: Don't know Correct answer: The ships moving together in the swell/seaway will cause a spark and consequently an explosion.

Question asked (32845): What action should be taken by the Officer of the Watch in the event of fire being reported to the bridge during the 00.00 to 04.00 watch? Selected answer: Don't know

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Wrong answer summary Correct answer: Sound the Fire Alarm Question asked (33437): "Passivation" is a restorative process periodically applied to stainless steel tanks on a chemical tanker. What effect does this process have on the steel surface? Selected answer: Don't know Correct answer: It restores and reforms the passive Chromium Hydroxide surface layer.

Question asked (33536): What is the minimum permissible distance measured horizontally between the ship's shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker? Selected answer: Don't know Correct answer: Not less than 760 mm.

Question asked (33543): You are to load a number of chemical cargoes in Rotterdam in December, for eventual discharge in Australia, after the ship has called at Singapore and Malaysia. None of the cargoes on board at any stage of the voyage require heating. None of the tanks to be discharged in Singapore and Malysia will require hot washing after discharge. What will need to be considered when determining the filling limits of the tanks containing the Australian cargoes? Selected answer: Don't know Correct answer: The maximum anticipated temperature that the cargoes will reach bearing in mind ambient air and sea temperatures to be encountered on passage, so that any expansion does not result in overflow.

Question asked (33548): "…a ship… …intended to transport products with appreciably severe environmental and safety hazards which require significant preventative measures to preclude escape of such cargo. Usually the ship is of double-hull construction, with a variety of tank sizes / capacities." What is this the definition of? Selected answer: Don't know Correct answer: A type II chemical tanker, as per the IBC Code.

Question asked (33551): Which of the following groups of chemical cargoes is particularly susceptible to polymerisation, especially through exposure to heat? Selected answer: Don't know Correct answer: Monomers.

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Wrong answer summary Question asked (33553): The IBC Code prescribes certain design conditions for a cargo heating or cooling system fitted to a chemical tanker. What does it require in respect of pressure within such a system, for any condition other than when it is empty? Selected answer: Don't know Correct answer: That a higher pressure can be maintained within the system than the maximum pressure head that could be exerted by the contents of the cargo tank on that system. Question asked (33554): What is the MARPOL definition of a "high-viscosity substance"?

Selected answer: Don't know Correct answer: A noxious liquid substance in category "X" or "Y" with a viscosity equal to or greater than 50 mPa.s at the unloading temperature. Question asked (33563): Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation). Selected answer: Don't know Correct answer: That the cargo discharged has a vapour pressure greater than 5 KPa at 20 degrees Celsius.

Question asked (33571): Chemical tankers of 20,000 tonnes DWT or above, with a keel laid on or after 1st July 1986, when carrying flammable products with a flashpoint not exceeding 60 degrees Celsius, such as those listed in chapters 17 and 18 of the International Bulk Chemical Code, are exempt from the requirement to be fitted with and use an inert gas plant provided certain conditions are met. Which of the following is a summary of those conditions?

Selected answer: Don't know Correct answer: The cargo tank does not exceed 3000 cubic metres capacity / each tank washing machine nozzle does not exceed 17.5 cubic metres per hour delivery rate / the total wash water input to the tank from all tank washing machines does not exceed 110 cubic metres per hour. Question asked (33572): The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"? Selected answer: Don't know

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Wrong answer summary Correct answer: The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture. Question asked (33581): You are to carry a cargo of Phenol across the North Atlantic in winter time. What precaution will you take with the double bottom tank located under the cargo tank containing the Phenol?

Selected answer: Don't know Correct answer: It should be empty, to avoid cold water contacted the structure around the product because Phenol has a relatively high melting point. Question asked (33583): A tank which contained a category "X" product must undergo a prewash before leaving port in compliance with MARPOL. The resulting residues shall be discharged to a reception facility until the concentration of the substance in the effluent, as indicated by analysis of samples of the effluent taken by the authorized surveyor reaches a certain level. What is that level? Selected answer: Don't know Correct answer: 0.1% by weight.

Question asked (33593): What significant change to the requirements for the carriage of Vegetable Oils in tankers was introduced by the amendments to MARPOL and the IBC Code on 1st January 2007? Selected answer: Don't know Correct answer: They must now be carried in double-hull tankers.

Question asked (33602): In a typical shipboard de-humidifier plant as may be found on a modern chemical tanker, operating on a "rotating bed" principle, what names are given to the two parts of the rotating bed? Selected answer: Don't know Correct answer: The "process sector" and the "reactivation sector".

Question asked (33604): Ballast introduced into a cargo tank on a chemical tanker which has been washed to such an extent that the ballast contains less than 1 ppm of the substance previously carried may be discharged into the sea without regard to the discharge rate, ship's speed and discharge outlet location, but under certain conditions. What are those conditions? Selected answer: Don't know Correct answer: That the vessel is not less than 12 miles from the nearest land and is in water that is not less than 25 metres deep.

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Wrong answer summary Question asked (33624): You are close to the entrance to a port in thick fog. You hear the following signal. What does it mean? Selected answer: Don't know Correct answer: That there is a vessel at anchor in the vicinity. She is less than 100 metres in length.

Question asked (33652): What type of search pattern is recommended in the IAMSAR Manual as most effective when the location of the search object is known within relatively close limits? Selected answer: Don't know Correct answer: Expanding Square Search.

Question asked (33653): According to the IAMSAR Manual, what is the expected survival time for a person in water of 4-10 degrees Celsius, without special protective clothing? Selected answer: Don't know Correct answer: Less than 3 hours.

Question asked (33655): Which of the following is a definition of the "Proper Shipping Name", as found in the IMDG Code? Selected answer: Don't know Correct answer: The name to be used in any documentation relating to the transportation of the dangerous substance, material or article, such as on forms, labels and placards.

Question asked (33661): Substances, materials and articles shall be stowed as indicated in the Dangerous Goods List of the IMDG Code, in accordance with a series of stowage categories. How are those categories designated? Selected answer: Don't know Correct answer: 5 categories, labelled A-E.

Question asked (33665): What type of Bill of Lading covers "door to door" shipment? Selected answer: Don't know Correct answer: A Through Bill of Lading.

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Wrong answer summary Question asked (33681): Which Convention first placed on the shipowner an obligation to exercise due diligence to make a ship seaworthy, requiring him "before and at the beginning of a voyage… to….make the ship seaworthy…and…make the holds...and all other parts of the vessel in which goods are carried, fit and safe for their reception, carriage and preservation"? Selected answer: Don't know Correct answer: The Hague-Visby Rules.

Question asked (33708): By what formula is the displacement calculated? W= Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density; Selected answer: Don't know Correct answer: W = L x B x d x RD

Question asked (33773): Onboard training should be organised in such a way that: Selected answer: Don't know Correct answer: It is an integral part of the overall training plan Question asked (33775): Master of every ship must provide:

Selected answer: Don't know Correct answer: A link between the shipboard training officer and the company training officer ashore

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